Pith Number

pith:MIFJ2TIS

pith:2019:MIFJ2TISY37Z7I37ZZ7LZPNQ7P

not attested not anchored not stored refs pending

Matrix Lie Maps and Neural Networks for Solving Differential Equations

Andrei Ivanov, Sergei Andrianov

arxiv:1908.06088 v1 · 2019-08-16 · cs.NE · cs.NA · math.DS · math.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIFJ2TISY37Z7I37ZZ7LZPNQ7P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:58:12.269392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

620a9d4d12c6ff9fa37fce7ebcbdb0fbc2436040a687b73d88d3531f3c2a4b4b

Aliases

arxiv: 1908.06088 · arxiv_version: 1908.06088v1 · doi: 10.48550/arxiv.1908.06088 · pith_short_12: MIFJ2TISY37Z · pith_short_16: MIFJ2TISY37Z7I37 · pith_short_8: MIFJ2TIS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MIFJ2TISY37Z7I37ZZ7LZPNQ7P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 620a9d4d12c6ff9fa37fce7ebcbdb0fbc2436040a687b73d88d3531f3c2a4b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfdf2e3f6a93f49ef6c8526fb2174304811b19e34fea7c9e5379641f3b93c12c",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-08-16T08:51:53Z",
    "title_canon_sha256": "c4e0aea6eee313368dab1abe4d3ba3d7f0bf29b4e68afe8d60f2ae27a7b8cd0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06088",
    "kind": "arxiv",
    "version": 1
  }
}